Sony Alpha 1 II vs Sony Alpha 6400
Better figure, where one is clearly better
| SonyAlpha 1 II | SonyAlpha 6400 | |
|---|---|---|
| Overview | ||
| Released | December 2024 | February 2019 |
| Image and sensor | ||
| Camera type | Mirrorless | Mirrorless |
| Sensor format | Full frame | APS-C |
| Sensor type | Stacked Exmor RS CMOS with integral memory | Exmor CMOS |
| Sensor dimensions | 35.9 × 24 mm | 23.5 × 15.6 mm |
| Effective resolution | 50.1 MP | 24.2 MP |
| Largest image | 8640 × 5760 | 6000 × 4000 |
| RAW recording | Yes | Yes |
| Standard ISO range | 100–32000 | 100–32000 |
| Sensor detail | Approximately 50.5 million total pixels; Pixel Shift Multi Shooting uses four or 16 exposures combined in compatible computer software. | Approximately 25.0 million total pixels; 3:2 aspect ratio |
| Image formats | JPEG, HEIF and Sony ARW 5.0 RAW. | JPEG, compressed RAW and RAW+JPEG; ARW 2.3; 14-bit RAW under Sony's stated conditions |
| ISO detail | Standard ISO 100–32000 for stills and movies; stills expand to ISO 50–102400. | ISO 102400 is expanded; Auto ISO limits are configurable |
| Image processor | BIONZ XR and dedicated AI processing unit. | BIONZ X |
| Lens and shooting | ||
| Lens mount | Sony E-mount | Sony E-mount |
| Stabilisation | Sensor shift | Optical lens stabilisation |
| Maximum continuous burst | 30 fps | 11 fps |
| Lens detail | – | Original ILCE-6400L includes E PZ 16–50mm F3.5–5.6 OSS; ILCE-6400M includes E 18–135mm F3.5–5.6 OSS. Later K/X kits use the OSS II standard zoom. |
| Autofocus | Up to 759 phase-detection points for stills and movies; sensitivity EV −4 to 20 in AF-S with an F2 lens at ISO 100. Automatic or selected recognition of people, animals, birds, insects, cars, trains and aircraft. Sony's current feature page specifies Real-time Recognition AF+ from firmware version 4.00; launch reviews describe earlier firmware. | 425 phase-detection and 425 contrast-detection points; Real-time Tracking and human Eye AF. Animal Eye AF for stills was added by firmware in June 2019; not a launch feature. |
| Shutter | – | 30 seconds to 1/4000 second plus Bulb; electronic first curtain and silent shooting; flash sync 1/160 second |
| Burst detail | Up to 30 fps electronic Hi+ with AF/AE tracking under compatible-lens and maker conditions; uncompressed or lossless-compressed RAW up to 20 fps; mechanical Hi+ up to 10 fps. Pre-Capture retains up to one second before full shutter press, subject to camera temperature and shooting conditions. A custom button can temporarily change burst speed. | Mechanical Hi+ up to 11 fps with AF/AE tracking, or silent shooting up to 8 fps; Sony lists 116 Standard JPEG, 115 Fine JPEG, 99 Extra Fine JPEG, 46 RAW or 44 RAW+JPEG images. |
| Stabilisation detail | Five-axis sensor shift; centre 8.5 stops and periphery 7.0 stops under CIPA 2024 pitch/yaw/roll conditions with FE 50mm F1.2 GM and long-exposure noise reduction off. Active and Dynamic Active movie modes narrow the field of view and are unavailable in 8K or at frame rates of 120 fps or higher. | Optical correction depends on the lens; no sensor-shift stabilisation |
| Flash | – | Built-in pop-up flash; guide number 6 at ISO 100 in metres; Multi Interface Shoe |
| Exposure controls | – | PASM, auto and scene modes, Sweep Panorama, DRO, Auto HDR and interval shooting |
| Video | ||
| Highest video resolution | 7680 × 4320 at 30 fps | 3840 × 2160 at 30 fps |
| Video detail | Sony's current feature page lists internal 7680 × 4320 30p XAVC HS with 8.6K oversampling and 10-bit 4:2:2 support. Lower-resolution 4K up to 120p has approximately 10% crop; Full HD 240 fps is lower resolution. S-Log3, S-Cinetone and imported LUTs supported; external HDMI RAW is separate from internal recording. | XAVC S 4K up to 30p/24p at 100 Mbps in the Japanese NTSC specification; Full HD up to 120p. Full-pixel readout without binning, S-Log2, S-Log3 and HLG; HDMI 4:2:2 8-bit output. |
| Audio | – | Stereo microphone and 3.5 mm microphone input; no headphone output |
| Screen and viewfinder | ||
| Viewfinder | Electronic | Electronic |
| Screen size | 3.2″ | 3″ |
| Screen dots | 2,095,104 | 921,600 |
| Touchscreen | Yes | Yes |
| Tilting screen | Yes | Yes |
| Display detail | Four-axis TFT LCD opens approximately 98° up, 40° down and 180° sideways, with 270° rotation when opened sideways. | Screen tilts approximately 180° up or 74° down; touch focus, shutter, tracking and touchpad |
| Viewfinder detail | 0.64-inch Quad-XGA OLED with 9437184 dots and approximately 0.90× magnification with a 50 mm lens at infinity. Selectable 60/120/240 fps; standard magnification is unavailable at 240 fps. | 0.39-type OLED, 2,359,296 dots; approximately 0.70× 35 mm-equivalent magnification; 60/120 fps display modes |
| Connections and design | ||
| Wi-Fi | Yes | Yes |
| Bluetooth | Yes | Yes |
| Battery life (maker's claim) | 520 photographs | 410 photographs |
| Body weight | 658 g | 359 g (better) |
| Release detail | Sony UK specifies availability in December 2024; no release day inferred. Exact technical figures use Sony Japan because the UK specification URLs were inaccessible during research. | Sony Hong Kong states availability from mid-February 2019; month precision is retained. This is the original ILCE-6400; later lens-kit editions use the same camera body. |
| Recording media | Both slots accept CFexpress 2.0 Type A or UHS-I/UHS-II SD. | One shared SD/Memory Stick slot; SDHC/SDXC UHS-I |
| Ports | USB Type-C at 10 Gbps, Multi/Micro USB, full-size HDMI, 2.5GBASE-T Ethernet, sync terminal, 3.5 mm microphone and headphone sockets and digital-audio Multi Interface Shoe. | Multi/Micro USB, Micro HDMI Type D, microphone input and Multi Interface Shoe |
| Wireless connections | Wi-Fi IEEE 802.11a/b/g/n/ac at 2.4/5 GHz and Bluetooth 5.0. | 2.4 GHz Wi-Fi, NFC and Bluetooth connectivity; smartphone location linking |
| Battery life detail | NP-FZ100; Sony Japan CIPA approximately 520 photographs with LCD or 420 with viewfinder. PhotographyBlog's 530/400 figures are not used. USB Type-C Power Delivery charging and power supported. | NP-FW50; CIPA approximately 410 photographs with LCD or 360 with viewfinder |
| Charging | – | In-camera USB charging and USB power supply |
| Dimensions | Approximately 136.1 × 96.9 × 82.9 mm (width × height × maximum depth); grip-to-monitor depth 72.8 mm. | 120.0 × 66.9 × 59.7 mm; depth from grip to monitor 49.9 mm |
| Weight detail | Approximately 658 g body only or 743 g with battery and memory card, excluding lens. PhotographyBlog's inconsistent 617 g figure is not used. | Approximately 359 g body only (Sony Japan); 403 g with battery and memory card |
| Materials | – | Magnesium alloy design; dust and moisture resistance is not guaranteed in all conditions |
| Colours | – | Black or silver; availability varies by kit and region |
| In the box | One NP-FZ100 battery, BC-ZD1 dual-battery charger, cable protector, shoulder strap, body cap, accessory shoe cap and FDA-EP19/FDA-EP21 eyepiece cups, according to Sony Japan. USB Power Delivery AC adaptor and USB cable are not included. | NP-FW50 battery, AC-UUD12 adapter, shoulder strap, body cap, accessory shoe cap, eyepiece cup and Micro USB cable (Japanese specification); lenses depend on kit |
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